3cfcc30005
Bug: 6854979 Change-Id: I535d55af897eeb4ed707b5da54f3fbf36afa452c Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* ion.c
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*
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* Memory Allocator functions for ion
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*
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* Copyright 2011 Google, Inc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __SYS_CORE_ION_H
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#define __SYS_CORE_ION_H
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#include <linux/ion.h>
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__BEGIN_DECLS
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int ion_open();
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int ion_close(int fd);
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int ion_alloc(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, struct ion_handle **handle);
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int ion_alloc_fd(int fd, size_t len, size_t align, unsigned int heap_mask,
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unsigned int flags, int *handle_fd);
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int ion_sync_fd(int fd, int handle_fd);
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int ion_free(int fd, struct ion_handle *handle);
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int ion_map(int fd, struct ion_handle *handle, size_t length, int prot,
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int flags, off_t offset, unsigned char **ptr, int *map_fd);
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int ion_share(int fd, struct ion_handle *handle, int *share_fd);
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int ion_import(int fd, int share_fd, struct ion_handle **handle);
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__END_DECLS
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#endif /* __SYS_CORE_ION_H */
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